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Strong thunderstorms are possible from Southwest Texas to northern Maine on Saturday

Strong to severe thunderstorms are possible Saturday from Southwest Texas to northern Maine. Primary threats will be damaging wind gusts with marginally severe hail also possible. In addition, moderate to heavy rainfall could produce flash flooding from the lower Mississippi Valley into the Ohio Valley.
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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

81°F

27°C

Humidity 61%
Wind Speed S 9 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 May 6:52 pm CDT

Detailed Forecast

Tonight
Partly cloudy with slight chance of thunderstorms in the evening...then mostly cloudy with chance of thunderstorms after midnight. Lows in the upper 60s. South winds 5 to 10 mph. Chance of thunderstorms 50 percent.
Saturday
Thunderstorms likely. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of thunderstorms 70 percent.
Saturday Night
Cooler. Thunderstorms likely. Lows in the upper 50s. Northwest winds around 5 mph. Chance of thunderstorms 70 percent.
Sunday
Cooler. Cloudy with a 50 percent chance of thunderstorms. Highs in the upper 60s. North winds 5 to 10 mph.
Sunday Night
Mostly cloudy with a 20 percent chance of rain showers. Lows in the upper 50s. North winds 5 to 10 mph.
Monday
Partly sunny. Highs in the lower 70s.
Monday Night
Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s.
Tuesday
Mostly sunny. Highs in the upper 70s.
Tuesday Night
Partly cloudy. Lows around 60.
Wednesday
Mostly sunny. Highs in the lower 80s.
Wednesday Night
Partly cloudy. Lows in the mid 60s.
Thursday
Partly sunny with a 30 percent chance of thunderstorms. Highs in the lower 80s.
Thursday Night
Partly cloudy. Lows in the mid 60s.
Friday
Partly sunny with a 30 percent chance of thunderstorms. Highs in the lower 80s.
  Click Map For Detailed Forecast
517 PM CDT FRI MAY 29 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database